package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo3 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("homepage-popup-adv_6.jpg");
        FileOutputStream fos=new FileOutputStream("home_cp.jpg");
        long start=System.currentTimeMillis();
        int b;
        while ((b=fis.read())!=-1){
            fos.write(b);
        }
        long end=System.currentTimeMillis();
        System.out.println("复制完毕!耗时:"+(end-start)+"ms");
        fis.close();
        fos.close();
    }
}
